Restrictions for lock coarsening?
christian.thalinger at gmail.com
Tue Jan 6 10:01:14 PST 2009
On Mon, 2009-01-05 at 11:19 -0800, Tom Rodriguez wrote:
> Hmm. I would expect biased locking to handle your case perfectly with
> no CAS if things are as you describe. For startup purposes biased
> locking disabled at the beginning of the VM and is enabled after about
> 4 seconds.
This already came up once and I wanted to ask the following question
back then (but forgot):
Why is it an absolute time value and not some definite point in the VM
> This means that objects created during that time period
> aren't allowed to use biased locking.
Throughout the whole lifetime?
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